Home / 2,429.11-3,635.07-1,685.08

Finding the Fourth Proportional to 2,429.11, 3,635.07 and 1,685.08

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Solution

The fourth proportional to 2,429.11, 3,635.07 and 1,685.08 is: 2,521.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.11 : 3,635.07 = 1,685.08 : x
  2. Step 2: Convert to fraction form
    2,429.11/3,635.07 = 1,685.08/x
  3. Step 3: Cross multiply
    2,429.11x = 3,635.07 × 1,685.08
  4. Step 4: Simplify right side
    2,429.11x = 6,125,383.76
  5. Step 5: Solve for x
    x = 6,125,383.76/2,429.11
  6. Step 6: Final answer
    x = 2,521.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.